Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Dash Cam - Record Trips
* Support multi-camera wide-angle, ultra-wide-angle, telephoto mode
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
102 ratings · Top 15%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Dash Cam - Record Trips: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Provide multiple video resolutions and frame rates.
Assumption to check: Limited video quality options
Validate with people who use this workflow before building.
Hypothesis 2
Optimize app performance to reduce battery drain.
Assumption to check: High battery consumption during recording
Validate with people who use this workflow before building.
Hypothesis 3
Introduce cloud storage options for automatic backup.
Assumption to check: No cloud backup for recorded clips
Validate with people who use this workflow before building.
Hypothesis 4
Implement a more intuitive gallery view with filters and sorting.
Assumption to check: Difficult to navigate between clips
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
* Support multi-camera wide-angle, ultra-wide-angle, telephoto mode * Support HindSight(pre-recording), Max 120s * Support navigation and video recording at the same time * Support car bluetooth audio * Hardware encoding, intelligently support H265/H264, low power consumption, no heat * Low power mode can save more than 40% power * The phone can preview the recorded video at any time * Support optical image stabilization * Support front and rear camera switching * Support manual focus and auto focus * Support WiFI, AirDrop (AirDrop) to export video * Support screenshot function (save in system album) and video save in album function * Support up to 60fps and 4k video recording * Support recording interval switching * Support storage space customization and loop recording * Support driving track review * Support theme follow system * Support speed, time, recording tips in power saving mode
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
Expo Camera
React Navigation
Supabase
React Native Video
Zustand
BUILD KIT DIFFICULTY
Advanced
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
